MUTOH ValueJet - Page 347

ValueJet 1304 Service manual
9-33 AP-74109 Rev 1.1
6 Ink is not discharged
though ink charge is
finished.
1. Are damper
assembly, ink tube
and SUS pipe joint
screws (K, Y, M, C)
securely tightened?
Is O-ring properly
installed?
• Remove head cover
and check damper
assembly.
• Remove side cover (L, R)
and cartridge cover, and
check ink tube and SUS
pipe joint screws.
"4.2.1
Removing R
Side Cover"
p.4-6
"4.2.3
Removing L
Side Cover"
p.4-10
"4.2.4
Removing
Ink Holder (I/
H) Cover"
p.4-12
2. Does shield part of
damper assembly
have air leak?
• Replace damper
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
"4.6.1
Replacing
Print Head"
p.4-61
3. Is ink tube in ink
system assembly
bent?
• Replace ink system
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
"4.7.2
Replacing
Maintenance
Assembly"
p.4-76
4. Does pump motor
rotate during
cleaning operation?
• Reconnect main board
assembly connector
J22, J23.
• Replace pump motor.
• Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-29
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-71
5. When cleaning
operation is
performed, are gears
damaged or poorly
engaged?
Replace maintenance base
assembly.
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-71
Table 9-7 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom Check item Action Reference